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Finding the Fourth Proportional to 22,064.55, 33,089.72 and 7,269.95

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Solution

The fourth proportional to 22,064.55, 33,089.72 and 7,269.95 is: 10,902.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,064.55 : 33,089.72 = 7,269.95 : x
  2. Step 2: Convert to fraction form
    22,064.55/33,089.72 = 7,269.95/x
  3. Step 3: Cross multiply
    22,064.55x = 33,089.72 × 7,269.95
  4. Step 4: Simplify right side
    22,064.55x = 240,560,408.12
  5. Step 5: Solve for x
    x = 240,560,408.12/22,064.55
  6. Step 6: Final answer
    x = 10,902.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.